Datacenter101

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Introducing datacenter concepts to beginners for MCA students at pune

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Datacenter101

  1. 1. Datacenter 101 <ul><ul><li>Datacenter Consolidation </li></ul></ul><ul><ul><li>Tarun Dua </li></ul></ul>
  2. 2. What is a Data Center <ul><li>From Wikipedia:- </li></ul><ul><li>Datacenter is a facility used for housing a large amount of electronic equipment, typically computers and communications equipment </li></ul>
  3. 3. Why a Data Center <ul><li>Safety </li></ul><ul><ul><li>(Nuclear War | Natural Disasters) </li></ul></ul><ul><li>Consolidation </li></ul><ul><ul><li>Data Storage Virtualization </li></ul></ul><ul><ul><li>Hardware </li></ul></ul><ul><ul><li>Application Services </li></ul></ul><ul><ul><li>Common Processes </li></ul></ul><ul><li>High Availability </li></ul>
  4. 4. Physical Infrastructure <ul><li>3 meter thick walls </li></ul><ul><li>HVAC </li></ul><ul><li>Cable Trays and POD </li></ul><ul><li>Cages </li></ul><ul><li>Racks </li></ul><ul><li>UPS/Generator </li></ul><ul><li>Video Cameras/Security </li></ul><ul><li>Floor(Point|Static) Load </li></ul>
  5. 5. Network Infrastructure <ul><li>Hardware: Router|Switch|FW </li></ul><ul><li>Peering </li></ul><ul><li>ISP WAN links </li></ul><ul><li>Bandwidth from Upstream </li></ul><ul><li>Bandwidth for Downstream </li></ul><ul><li>ASN Numbers for BGP routing </li></ul><ul><li>Carrier Neutral - Full Service DC </li></ul>
  6. 6. NMS <ul><li>Network Management System </li></ul><ul><li>Fault Management </li></ul><ul><li>Performance Management </li></ul><ul><li>Baselining </li></ul><ul><li>SNMP: Host Resources </li></ul><ul><li>SNMP: Network Resources </li></ul><ul><li>SNMP: Enterprise </li></ul><ul><li>Logging infrastructure </li></ul>
  7. 7. System Architecture <ul><li>Linear Scalability </li></ul><ul><li>Cheaper | Faster | Reliable </li></ul><ul><ul><li>Choose any two </li></ul></ul><ul><li>LP Optimization </li></ul><ul><li>Least-Cost/User at optimum User Experience for large User numbers </li></ul>
  8. 8. Capex and Opex <ul><li>Capacity Planning </li></ul><ul><li>Capital Expenditure(capex) </li></ul><ul><li>Right Sizing </li></ul><ul><li>Operational Expenditure(opex) </li></ul>
  9. 9. System Design <ul><li>Define Problems </li></ul><ul><li>Alternative Solutions </li></ul><ul><ul><li>e.g. Load Balancer vs App. Config </li></ul></ul><ul><li>Work as a Team </li></ul><ul><ul><li>Fully solve problem in one layer </li></ul></ul><ul><li>Pizza Boxes vs Big Iron </li></ul><ul><ul><li>Time to market </li></ul></ul><ul><li>Best Practices </li></ul><ul><li>TCO vs TBO </li></ul>
  10. 10. Data Center Operations <ul><li>System Administrator </li></ul><ul><li>vs </li></ul><ul><li>System Operations </li></ul><ul><li>Individual Efficiency </li></ul><ul><li>vs </li></ul><ul><li>Consolidated Processes </li></ul>
  11. 11. NOC and SOC <ul><li>Network Operations(NOC) </li></ul><ul><ul><li>Hardware </li></ul></ul><ul><ul><li>Network </li></ul></ul><ul><ul><li>Console access to devices|servers </li></ul></ul><ul><ul><li>Remote Hands </li></ul></ul><ul><li>Service Operations(SOC) </li></ul><ul><ul><li>OS Management </li></ul></ul><ul><ul><li>Application Management </li></ul></ul>
  12. 12. Source to Data Center <ul><li>Development Environment </li></ul><ul><li>| </li></ul><ul><li>QA Stage </li></ul><ul><li>| </li></ul><ul><li>Training | </li></ul><ul><li>Production </li></ul><ul><li>| </li></ul><ul><li>Disaster Recovery </li></ul>
  13. 13. HA Continuum <ul><li>Fault Tolerance </li></ul><ul><ul><li>Dual power supply, ECC RAM </li></ul></ul><ul><li>Redundant Hardware </li></ul><ul><ul><li>Paired devices </li></ul></ul><ul><li>Graceful Degradation </li></ul><ul><ul><li>Fail noisily </li></ul></ul><ul><li>Disaster Recovery </li></ul><ul><ul><li>Two or more failures </li></ul></ul><ul><ul><li>MTTR </li></ul></ul>
  14. 14. Current Trends <ul><li>High Density </li></ul><ul><li>Convergence(IP-Telecom) </li></ul><ul><li>Storage Consolidation & Virtualization </li></ul><ul><li>OS Virtualization </li></ul><ul><ul><li>Xen, VMWare, KVM </li></ul></ul><ul><li>Service Virtualization </li></ul><ul><ul><li>JVM </li></ul></ul><ul><ul><li>Microsoft SoftGrid </li></ul></ul>
  15. 15. Careers <ul><li>System Operations </li></ul><ul><ul><li>Unix/Linux vs Windows </li></ul></ul><ul><li>Network Operations </li></ul><ul><ul><li>Network|Server Hardware </li></ul></ul><ul><li>Service Operations </li></ul><ul><ul><li>Close Development Coordination </li></ul></ul><ul><ul><li>Development Infrastructure </li></ul></ul><ul><li>System Architect </li></ul>
  16. 16. Resources <ul><li>http://wikipedia.com </li></ul><ul><li>http://www.netcraft.com </li></ul><ul><li>RFC(s) 1771,1930 </li></ul><ul><li>Administering Data Centers </li></ul><ul><ul><li>Wiley Dreamtech </li></ul></ul>
  17. 17. Questions

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